# SDR 9JLA201610209322

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2016
- Submitted: October 20, 2016
- Operation: Air carrier
- Aircraft: N393GH
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK240
- Aircraft time: 6,165 hours, 4,702 cycles
- System (JASC): [2721 · Rudder Tab Control System](https://openairdocs.org/jasc/2721)
- Part: Pcb
- Part number: 8221019313
- Part serial: 2380
- Condition: Failed
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA201610209322

## Discrepancy

CREW REPORTED THAT DURING FLIGHT THE "RUDDER BOOST FAIL" ANNUNCIATOR ILLUMINATED AND REMAINED ON. MAINTENANCE TROUBLESHOT THE DISCREPANCY AND VERIFIED THE REPORT AND FOUND THAT THE NO. 2 FLIGHT CONTROL COMPUTER (FCC) FAILED. AN OVERHAULED FCC WAS INSTALLED AND RUDDER BOOST FUNCTIONAL CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.

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